REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Total service charges on deposit accounts	$ 44,499	$ 45,106	$ 44,145
Total other service charges, commission and fees	3,875	4,188	3,914
Total other noninterest income	45,391	23,212	17,133
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	44,499	45,106	44,145
Debit card interchange fees
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	15,884	16,798	15,988
Overdraft fees
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	15,813	16,113	17,903
Other service charges on deposit accounts
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	12,802	12,195	10,254
Other service charges, commissions and fees
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	3,508	3,751	3,633
Other	367	437	281
ATM fees
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	3,508	3,751	3,633
Other noninterest income
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	4,554	4,985	3,142
Other	40,837	18,227	13,991
Trust and wealth management
Disaggregation of Revenue [Line Items]
ASC 606 revenue items	$ 4,554	$ 4,985	$ 3,142